Description
; Provides springs of various rates to allow the racer to custom tailor the vacuum secondary opening and closing rate to best suit their combination; Contains seven springs color coded from light to heavy; Instructions included*Not legal for sale or use on pollution-controlled vehicles
Has springs of various rates to allow custom tailoring of the vacuum secondary opening & closing rate
Contains 7 springs color coded from light to heavy
Instructions included
Not legal for sale/use on pollution-controlled vehicles.






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